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Alarmed Jeep

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Alarmed Jeep

This bulletin applies to 2011-2012 Jeep Wranglers built before Feb. 16, 2012, and equipped with the Premium Security Alarm option. The customer may complain that the theft alarm siren turns on for no apparent reason. Updating the intrusion module (ITM) will improve the sensor stability which will make it less sensitive to movement.

The wiTECH software level must be at release 12.02 or higher during the reprogramming process.

Install a battery charger to prevent battery voltage from dropping below 13.2 volts or rising above 13.5 volts.

1. Using a scan tool with the appropriate diagnostic procedures available in TechCONNECT, inspect the ITM and the BM alarm trigger logs. Verify the trigger source is from a tilt or inclination. If the source of the alarm trigger was not from a tilt or inclination, further diagnostics may be necessary after flashing the ITM.

2. Flash reprogram the ITM. For instructions, select the “HELP” tab on the upper portion of the wiTECH window, then select “HELP CONTENTS.” This will open the Welcome to wiTECH Help screen where help topics can be selected.

3. Clear any DTCs that may have been set in other modules as a result of the flash.

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